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  1. import java.util.regex.*;
  2.  
  3. class T {
  4.     public static void main(String[] args) {
  5.         String str = "This is an ant";
  6.         String result = str.replaceAll("\\bis\\b", "is not");
  7.         System.out.println(result);
  8.     }
  9. }
Success #stdin #stdout 0.07s 380224KB
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Standard input is empty
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This is not an ant
https://ideone.com/Q5HNcK
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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